通达信发一个思路指标公式

RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
 K:=SMA(RSV,3,1);
 D:=SMA(K,3,1);
 J:=3*K-2*D;
 B:=CROSS(K,D) AND J<20;
 DRAWICON(B,L,1);
 S:=CROSS(100,J)AND C>O;
 DRAWICON(S,H,2);